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  • Users: IRL
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  1. IRL

    Hot bearing

    Thanks Pete,this gives me something to work on.Thanks again for a detailed reply.
  2. IRL

    Hot bearing

    The Motor is a Dutchi, DM355- 4 250Kw 1488 rpm TEFC, i checked the grease by removing the outer grease plate and sliding in back as the motor is still in place i could only slide it back about 70mm. The grease looks good and it does not look too full, the bearing is a NU319. The motor is...
  3. IRL

    Hot bearing

    Hi Guys, We have installed a 250Kw 4pl motor on a pump application, the motor is running at 47hz and drawing 350 amps, the nameplate details are as follows: 250Kw 4pl 400-690 D/Y 50Hz Class F, B temp rise, IP55, VSD rated with 3 x PTC's. This motor is working in a large machine room with an...
  4. IRL

    Constant Torque range

    I would like to thank you all for your very informative and entertaining replies on this matter. We will be doing the install in April and i will let you guys know how it goes, the designers do not exactly know the required power for this application, but we are buying the system at a special...
  5. IRL

    Constant Torque range

    Hi, I am looking for a bit of help with a new application we are installing in work,this is my first visit to this site so sorry if this has been asked before. I am from a mechanical back round and this is my first job in engineering. We are looking at installing a 355Kw 1485 rpm Motor with...

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